M1.5 earthquake 54 km SW of Unalaska, Alaska

Magnitude

1.5 (ml), micro

Local time

Sun, Aug 17, 2025, 3:21 PM AKDT

UTC

2025-08-17 23:21:54 UTC

Depth

16.2 km (10.1 mi), shallow

Epicenter

53.559° N, 167.173° W

Region

Alaska

Tsunami flag

No

Status

Reviewed by a seismologist

Stations used

35

• Unalaska, AlaskaPopulation 4,491. Forecast55 kmSW

After

1. 1.593 km SSW of Unalaska, AlaskaSun, Aug 17, 11:21 PM AKDT · 408 days ago · 26 km deep · 51 km away
2. 1.596 km SSW of Unalaska, AlaskaMon, Aug 18, 4:04 AM AKDT · 408 days ago · 26 km deep · 54 km away
3. 1.7101 km SSW of Unalaska, AlaskaMon, Aug 18, 8:50 AM AKDT · 407 days ago · 32 km deep · 51 km away
4. 2.634 km SW of Unalaska, AlaskaMon, Aug 18, 1:16 PM AKDT · 407 days ago · 79 km deep · 20 km away
5. 1.876 km S of Unalaska, AlaskaMon, Aug 18, 5:04 PM AKDT · 407 days ago · 50 km deep · 49 km away
6. 1.781 km SSE of Unalaska, AlaskaTue, Aug 19, 7:02 AM AKDT · 406 days ago · 21 km deep · 84 km away
7. 1.854 km NNW of Dutch Harbor, AlaskaFri, Aug 22, 12:06 AM AKDT · 404 days ago · 160 km deep · 83 km away
8. 3.166 km SE of Unalaska, AlaskaFri, Aug 22, 5:06 PM AKDT · 403 days ago · 35 km deep · 87 km away
9. 2.674 km SSE of Unalaska, AlaskaSat, Aug 23, 7:41 AM AKDT · 402 days ago · 35 km deep · 71 km away
10. 1.7110 km E of Nikolski, AlaskaSat, Aug 23, 2:34 PM AKDT · 402 days ago · 38 km deep · 75 km away
11. 1.587 km SSW of Unalaska, AlaskaSun, Aug 24, 11:33 AM AKDT · 401 days ago · 26 km deep · 54 km away
12. 2.624 km SE of Unalaska, AlaskaSun, Aug 24, 10:13 PM AKDT · 401 days ago · 74 km deep · 65 km away
13. 1.860 km SSE of Unalaska, AlaskaMon, Aug 25, 12:42 AM AKDT · 401 days ago · 53 km deep · 71 km away
14. 1.630 km SSW of Unalaska, AlaskaTue, Aug 26, 12:17 AM AKDT · 400 days ago · 78 km deep · 34 km away
15. 1.850 km SW of Unalaska, AlaskaTue, Aug 26, 8:28 PM AKDT · 399 days ago · 18 km deep · 7 km away
16. 1.921 km ESE of Unalaska, AlaskaThu, Aug 28, 6:50 AM AKDT · 397 days ago · 79 km deep · 66 km away
17. 3.1111 km N of Nikolski, AlaskaSat, Aug 30, 12:59 AM AKDT · 396 days ago · 88 km deep · 100 km away
18. 1.926 km SE of Unalaska, AlaskaSat, Aug 30, 11:22 AM AKDT · 395 days ago · 72 km deep · 67 km away
19. 2.3103 km E of Nikolski, AlaskaSat, Aug 30, 2:16 PM AKDT · 395 days ago · 47 km deep · 81 km away
20. 2.593 km WSW of Unalaska, AlaskaSat, Aug 30, 7:54 PM AKDT · 395 days ago · 100 km deep · 42 km away
21. 1.567 km SE of Unalaska, AlaskaTue, Sep 2, 4:05 AM AKDT · 393 days ago · 26 km deep · 85 km away
22. 1.933 km SW of Unalaska, AlaskaTue, Sep 2, 8:35 AM AKDT · 392 days ago · 75 km deep · 24 km away
23. 2.616 km SE of Unalaska, AlaskaTue, Sep 2, 8:49 AM AKDT · 392 days ago · 81 km deep · 59 km away
24. 2.755 km SW of Unalaska, AlaskaTue, Sep 2, 11:23 AM AKDT · 392 days ago · 17 km deep · 8 km away
25. 4.426 km W of Akutan, AlaskaFri, Sep 5, 9:40 AM AKDT · 389 days ago · 103 km deep · 93 km away
26. 2.111 km NW of Dutch Harbor, AlaskaMon, Sep 22, 11:25 PM AKDT · 372 days ago · 11 km deep · 55 km away
27. 2.924 km ENE of Dutch Harbor, AlaskaFri, Sep 26, 11:14 PM AKDT · 368 days ago · 127 km deep · 80 km away
28. 1.753 km SW of Unalaska, AlaskaSat, Sep 27, 12:22 PM AKDT · 367 days ago · 15 km deep · 4 km away
29. 3.789 km E of Nikolski, AlaskaTue, Sep 30, 12:55 PM AKDT · 364 days ago · 82 km deep · 64 km away
30. 3.765 km SE of Unalaska, AlaskaSat, Oct 4, 3:28 PM AKDT · 360 days ago · 53 km deep · 86 km away
31. 3.070 km ESE of Nikolski, AlaskaWed, Oct 15, 9:18 AM AKDT · 349 days ago · 35 km deep · 100 km away

Before

1. 1.984 km SSW of Unalaska, AlaskaSat, Aug 16, 8:10 PM AKDT · 409 days ago · 28 km deep · 52 km away
2. 3.469 km NE of Nikolski, AlaskaSat, Aug 16, 7:50 PM AKDT · 409 days ago · 121 km deep · 68 km away
3. 1.635 km SSW of Unalaska, AlaskaFri, Aug 15, 9:03 AM AKDT · 410 days ago · 71 km deep · 35 km away
4. 1.527 km SE of Unalaska, AlaskaFri, Aug 15, 1:22 AM AKDT · 411 days ago · 69 km deep · 60 km away
5. 1.991 km SSW of Unalaska, AlaskaThu, Aug 14, 7:25 PM AKDT · 411 days ago · 31 km deep · 53 km away
6. 2.049 km SW of Unalaska, AlaskaThu, Aug 14, 2:53 PM AKDT · 411 days ago · 17 km deep · 9 km away
7. 3.329 km SE of Unalaska, AlaskaWed, Aug 13, 8:21 AM AKDT · 412 days ago · 81 km deep · 69 km away
8. 2.524 km SSW of Akutan, AlaskaWed, Aug 13, 3:31 AM AKDT · 413 days ago · 83 km deep · 92 km away
9. 1.950 km SW of Unalaska, AlaskaTue, Aug 12, 7:27 PM AKDT · 413 days ago · 13 km deep · 11 km away
10. 1.749 km SW of Unalaska, AlaskaTue, Aug 12, 5:16 PM AKDT · 413 days ago · 19 km deep · 7 km away
11. 1.749 km SW of Unalaska, AlaskaTue, Aug 12, 5:11 PM AKDT · 413 days ago · 16 km deep · 7 km away
12. 3.490 km SSW of Unalaska, AlaskaTue, Aug 12, 3:22 PM AKDT · 413 days ago · 35 km deep · 56 km away
13. 3.438 km S of Unalaska, AlaskaMon, Aug 11, 8:29 PM AKDT · 414 days ago · 69 km deep · 43 km away
14. 1.886 km SSW of Unalaska, AlaskaSun, Aug 10, 10:37 AM AKDT · 415 days ago · 47 km deep · 54 km away
15. 3.325 km SE of Unalaska, AlaskaFri, Aug 8, 9:58 PM AKDT · 417 days ago · 78 km deep · 66 km away
16. 1.876 km SW of Unalaska, AlaskaFri, Aug 8, 8:18 PM AKDT · 417 days ago · 18 km deep · 21 km away
17. 1.8123 km ESE of Nikolski, AlaskaFri, Aug 8, 8:28 AM AKDT · 417 days ago · 15 km deep · 100 km away
18. 1.750 km SW of Unalaska, AlaskaFri, Aug 8, 5:05 AM AKDT · 418 days ago · 14 km deep · 6 km away
19. 1.649 km SSW of Unalaska, AlaskaFri, Aug 8, 3:42 AM AKDT · 418 days ago · 68 km deep · 17 km away
20. 1.988 km SSW of Unalaska, AlaskaThu, Aug 7, 12:12 PM AKDT · 418 days ago · 26 km deep · 52 km away

From the USGS Earthquake Hazards Program and its partner networks, event ak025aj3w2bc (also filed as av93720578). Read Wed, Sep 30, 2026, 1:22 AM UTC.